Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

NXX: 253

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-253 A Salisbury MD SLBRMDSBAMD  551G NUSO, LLC 242      
667-253 1 Salisbury MD SLBRMDSBAMD  551G NUSO, LLC 242   2013-05-08   
667-253 2 Salisbury MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2017-12-18   
667-253 3 Salisbury MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2017-12-18   
667-253 4 Salisbury MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
667-253 5 Salisbury MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-22   
667-253 6 Salisbury MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-22   
667-253 7 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2019-02-07   
667-253 8 Salisbury MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-10-23   
667-253 9 Salisbury MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-10-23   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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